1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/rockchip-saradc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip Successive Approximation Register (SAR) A/D Converter
8
9 maintainers:
10 - Heiko Stuebner <heiko@sntech.de>
11
12 properties:
13 compatible:
14 oneOf:
15 - const: rockchip,saradc
16 - const: rockchip,rk3066-tsadc
17 - const: rockchip,rk3399-saradc
18 - const: rockchip,rk3588-saradc
19 - items:
20 - const: rockchip,rk3576-saradc
21 - const: rockchip,rk3588-saradc
22 - items:
23 - enum:
24 - rockchip,px30-saradc
25 - rockchip,rk3308-saradc
26 - rockchip,rk3328-saradc
27 - rockchip,rk3568-saradc
28 - rockchip,rv1108-saradc
29 - rockchip,rv1126-saradc
30 - const: rockchip,rk3399-saradc
31
32 reg:
33 maxItems: 1
34
35 interrupts:
36 maxItems: 1
37
38 clocks:
39 items:
40 - description: converter clock
41 - description: peripheral clock
42
43 clock-names:
44 items:
45 - const: saradc
46 - const: apb_pclk
47
48 resets:
49 maxItems: 1
50
51 reset-names:
52 const: saradc-apb
53
54 vref-supply:
55 description:
56 The regulator supply for the ADC reference voltage.
57
58 "#io-channel-cells":
59 const: 1
60
61 required:
62 - compatible
63 - reg
64 - interrupts
65 - clocks
66 - clock-names
67 - vref-supply
68 - "#io-channel-cells"
69
70 additionalProperties: false
71
72 examples:
73 - |
74 #include <dt-bindings/clock/rk3288-cru.h>
75 #include <dt-bindings/interrupt-controller/arm-gic.h>
76 saradc: saradc@2006c000 {
77 compatible = "rockchip,saradc";
78 reg = <0x2006c000 0x100>;
79 interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
80 clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
81 clock-names = "saradc", "apb_pclk";
82 resets = <&cru SRST_SARADC>;
83 reset-names = "saradc-apb";
84 vref-supply = <&vcc18>;
85 #io-channel-cells = <1>;
86 };
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